Fiddler Crab (Brackish) & Freshwater Flounder
Uca sp. · Trinectes maculatus
Fiddler Crab (Brackish): Mostly PeacefulFreshwater Flounder: Peaceful
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Fiddler Crab (Brackish) Tank Mates & Compatibility
Fiddler Crab (Brackish)
Uca sp.
TemperamentMostly Peaceful (3/10)
Adult Size5 cm
Temperature24–30°C
Water TypeBrackish Required
Swim ZoneBottom
StockingGroup of 3+
Showing 289 - 312 of 735 Tank Mates
Possible with Caution
Fiddler Crab (Brackish) & Freshwater Harlequin Shrimp (Sulawesi)
Uca sp. · Caridina cf. spongicola
Fiddler Crab (Brackish): Mostly PeacefulFreshwater Harlequin Shrimp (Sulawesi): Peaceful
Fiddler Crab (Brackish) & Freshwater Shark (Wallago)
Uca sp. · Wallago attu
Fiddler Crab (Brackish): Mostly PeacefulFreshwater Shark (Wallago): Highly Aggressive
Fiddler Crab (Brackish) & Freshwater Sole
Uca sp. · Brachirus selheimi
Fiddler Crab (Brackish): Mostly PeacefulFreshwater Sole: Mostly Peaceful
Fiddler Crab (Brackish) & Freshwater Toadfish (Prehistoric Monster Fish)
Uca sp. · Thalassophryne amazonica
Fiddler Crab (Brackish): Mostly PeacefulFreshwater Toadfish (Prehistoric Monster Fish): Aggressive
Fiddler Crab (Brackish) & Frogmouth Catfish
Uca sp. · Chaca chaca
Fiddler Crab (Brackish): Mostly PeacefulFrogmouth Catfish: Aggressive
Fiddler Crab (Brackish) & Frontosa
Uca sp. · Cyphotilapia frontosa
Fiddler Crab (Brackish): Mostly PeacefulFrontosa: Semi-Aggressive
Fiddler Crab (Brackish) & Fuelleborn's Cichlid
Uca sp. · Labeotropheus fuelleborni
Fiddler Crab (Brackish): Mostly PeacefulFuelleborn's Cichlid: Aggressive
Fiddler Crab (Brackish) & Gangetic Leaf Fish
Uca sp. · Nandus nandus
Fiddler Crab (Brackish): Mostly PeacefulGangetic Leaf Fish: Aggressive
Fiddler Crab (Brackish) & Gardner's Killifish
Uca sp. · Fundulopanchax gardneri
Fiddler Crab (Brackish): Mostly PeacefulGardner's Killifish: Mostly Peaceful
Fiddler Crab (Brackish) & Garnet Tetra
Uca sp. · Hemigrammus pulcher
Fiddler Crab (Brackish): Mostly PeacefulGarnet Tetra: Peaceful
Fiddler Crab (Brackish) & Geophagus Orange Head Tapajos
Uca sp. · Geophagus sp. 'Orange Head'
Fiddler Crab (Brackish): Mostly PeacefulGeophagus Orange Head Tapajos: Mostly Peaceful
Fiddler Crab (Brackish) & German Blue Ram
Uca sp. · Mikrogeophagus ramirezi
Fiddler Crab (Brackish): Mostly PeacefulGerman Blue Ram: Mostly Peaceful
Fiddler Crab (Brackish) & Gertrude's Spotted Blue-eye
Uca sp. · Pseudomugil gertrudae
Fiddler Crab (Brackish): Mostly PeacefulGertrude's Spotted Blue-eye: Peaceful
Fiddler Crab (Brackish) & Ghost Shrimp
Uca sp. · Palaemonetes paludosus
Fiddler Crab (Brackish): Mostly PeacefulGhost Shrimp: Peaceful
Fiddler Crab (Brackish) & Giant Danio
Uca sp. · Devario aequipinnatus
Fiddler Crab (Brackish): Mostly PeacefulGiant Danio: Mostly Peaceful
Fiddler Crab (Brackish) & Giant Gourami
Uca sp. · Osphronemus goramy
Fiddler Crab (Brackish): Mostly PeacefulGiant Gourami: Semi-Aggressive
Fiddler Crab (Brackish) & Giant Whiptail Catfish
Uca sp. · Proloricaria prolixa
Fiddler Crab (Brackish): Mostly PeacefulGiant Whiptail Catfish: Peaceful
Fiddler Crab (Brackish) & Glass Bloodfin Tetra
Uca sp. · Prionobrama filigera
Fiddler Crab (Brackish): Mostly PeacefulGlass Bloodfin Tetra: Peaceful
Fiddler Crab (Brackish) & Glass Catfish
Uca sp. · Kryptopterus vitreolus
Fiddler Crab (Brackish): Mostly PeacefulGlass Catfish: Peaceful
Fiddler Crab (Brackish) & Glowlight Danio
Uca sp. · Danio choprae
Fiddler Crab (Brackish): Mostly PeacefulGlowlight Danio: Peaceful
Fiddler Crab (Brackish) & Glowlight Tetra
Uca sp. · Hemigrammus erythrozonus
Fiddler Crab (Brackish): Mostly PeacefulGlowlight Tetra: Peaceful
Fiddler Crab (Brackish) & Goby Pleco (Pitbull Pleco)
Uca sp. · Parotocinclus jumbo
Fiddler Crab (Brackish): Mostly PeacefulGoby Pleco (Pitbull Pleco): Peaceful
Fiddler Crab (Brackish) & Gold Barb
Uca sp. · Barbodes semifasciolatus
Fiddler Crab (Brackish): Mostly PeacefulGold Barb: Peaceful